An exception occurred when compiling 64-bit DLL on win10 system

sqlcipher: 3.28.0
OpenSSL: 1.0.1f

I try to compile sqlcipher on win10 system. I want to get 64-bit DLL file. The compilation process is normal. The exe I get after compilation can also be used normally. But the sqlite3.def file is empty. Why? After compiling 32-bit dll, the sqlite3.def file contains content. Can you give me some advice? Thank you.